70705406 has 4 divisors (see below), whose sum is σ = 106058112. Its totient is φ = 35352702.

The previous prime is 70705399. The next prime is 70705429. The reversal of 70705406 is 60450707.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 60450707 = 6673 ⋅9059.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17676350 + ... + 17676353.

It is an arithmetic number, because the mean of its divisors is an integer number (26514528).

Almost surely, 2^70705406 is an apocalyptic number.

70705406 is a deficient number, since it is larger than the sum of its proper divisors (35352706).

70705406 is a wasteful number, since it uses less digits than its factorization.

70705406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35352705.

The product of its (nonzero) digits is 5880, while the sum is 29.

The square root of 70705406 is about 8408.6506646429. The cubic root of 70705406 is about 413.5082767656.

The spelling of 70705406 in words is "seventy million, seven hundred five thousand, four hundred six".